Seiko Cal. 6351 - 662

The 6351-662 is a sought-after Solar piece from Seiko's golden era. Powered by the 6351 caliber with 20j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-fa609093d313]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1969

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